Surf Forecasts:
Kennebunk Beach surf forecast from 19 Aug 2026:
- Most powerful swell: Thursday 20 Aug, 2AM (local time) - 3.5ft (1.1m), 6s period, SE swell with 88 kJ wave energy.
Best Forecast Surf Conditions for Kennebunk Beach this week:
The most powerful waves expected at Kennebunk Beach in the next 16 days are 1.1m 6s and forecast to arrive on Thursday (Aug 20) at 2AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Sunday (Aug 23) at 2PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Thu 20th Aug) | 3.5ft (1.1m) 6s |
Table - best surf conditions forecast for Kennebunk Beach over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's take a look at what's coming down the pike for Kennebunk Beach. Gotta be straight with you – we're looking at a pretty quiet stretch ahead. The whole 16-day window is thin, and there's a lot of waiting involved. The first real chance of something rideable doesn't show up until nearly the end of the first week.
We start off with a long, slow grind. From Wednesday the 19th right through until the morning of Thursday the 27th, it's all tiny, weak, and messy. The swell energy is basically non-existent, mostly in the 50s and 60s (weak energy). The wind is rarely your friend, and the waves are just ankle to knee-high, if that. There's a bit of a pulse on the morning of Sunday the 23rd, with a clean offshore breeze and a bit of size, but the period is a short 5 seconds – won't have any push. It's a tough stretch where you're better off doing something else.
On the morning of Friday the 28th, we finally see something. A modest bump of swell rolls in around 3ft from the southeast, with the energy jumping to 156 (moderate). The wind is a clean offshore, so the surface should be smooth. The period is a short 8 seconds, so it'll be a bit fat and not super powerful, but it's the first surfable option. The afternoon stays clean too. It's not going to blow anyone's mind, but for a Friday session, you could get a few.
The real standout, and the only one I'd circle on the calendar, is Wednesday morning, September 2nd. This is a glimmer of hope. We get a jump in wave height to 5ft from the south, but more importantly, the energy hits 168 (moderate) and the wind is glassy – dead calm. The period is a short 6 seconds, so it won't be a groundswell with a lot of grunt, but with the surface like a lake, Kennebunk Beach could actually have some clean little lines. It's a good one for the intermediate crew as it's not too big.
After that, the ocean pulls the plug again. So, to sum it up: you're waiting all the way to the morning of the 28th for a session, and the best bet is that glassy Wednesday morning on the 2nd. Patience is key.
- Rusty
Short Range ForecastMostly dry. Warm (max 26°C on Thu morning, min 18°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Mon afternoon, min 15°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SE 8 | SE 8 | SE 7 | SE 6 | SE 7 | SE 7 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 5 | SE 12 | SE 6 | SE 6 | SSE 6 | SSE 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 86 | 35 | 45 | 88 | 65 | 51 | 45 | 44 | 44 | 41 | 37 | 31 | 18 | 33 | 23 | 43 | 66 | 71 | 64 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | cross-on | on | cross-off | cross-off | cross-on | glassy | cross-off | cross | glassy | off | cross | on | cross-on | cross-on | cross |
High Tide | 4:45AM2.46m | 5:01PM2.69m | 5:42AM2.32m | 5:55PM2.61m | 6:41AM2.23m | 6:52PM2.56m | 7:42AM2.20m | 7:51PM2.56m | 8:41AM2.23m | 8:47PM2.61m | 9:34AM2.30m | 9:39PM2.69m | |||||||
Low Tide | 10:30PM0.26m | 10:42AM0.42m | 11:27PM0.36m | 11:35AM0.56m | 00:28AM0.44m | 12:33PM0.65m | 1:31AM0.46m | 1:33PM0.67m | 2:31AM0.44m | 2:31PM0.64m | 3:25AM0.38m | 3:24PM0.56m | 4:11AM0.30m | ||||||
 |  | |  |  | | | | | |  | | | | | | | | | |
 | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — |
 | 7:40 | — | 7:38 | — | — | 7:37 | — | — | 7:36 | — | — | 7:34 | — | — | 7:32 | — | — | 7:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 23 | 24 | 23 | 26 | 26 | 21 | 23 | 24 | 20 | 19 | 20 | 19 | 17 | 19 | 19 | 23 | 26 | 22 |
Feels °C | 21 | 24 | 24 | 24 | 26 | 25 | 20 | 21 | 21 | 17 | 18 | 18 | 18 | 16 | 19 | 19 | 20 | 22 | 20 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 7 | SE 7 | SE 6 | SE 7 | SE 7 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 5 | SE 7 | SE 6 | SE 6 | SSE 6 | SSE 6 |
| kJ | 86 | 21 | 45 | 88 | 65 | 51 | 45 | 44 | 44 | 41 | 37 | 31 | 18 | 33 | 23 | 43 | 66 | 71 | 64 |
Swell 2 Height (m) Direction Period (s) | — | SE 8 | SE 9 | ESE 9 | — | — | E 15 | NNE 3 | — | S 3 | SE 13 | SE 13 | ESE 12 | ESE 7 | SE 12 | SE 12 | SE 12 | SE 11 | ESE 11 |
| kJ | — | 35 | 20 | 7 | — | — | 4 | 1 | — | 1 | 7 | 7 | 15 | 10 | 23 | 35 | 34 | 32 | 11 |
Swell 3 Height (m) Direction Period (s) | — | SSE 7 | — | — | — | — | — | SE 15 | SE 14 | SE 14 | SE 13 | SE 9 | SE 9 | ESE 12 | SSE 6 | SE 8 | — | — | E 6 |
| kJ | — | 9 | — | — | — | — | — | 8 | 8 | 8 | 7 | 3 | 3 | 15 | 4 | 3 | — | — | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSW 3 | N 3 | — | — | — | — | ESE 2 | SE 5 | NE 4 | E 4 | — | SW 3 | WSW 3 | WSW 3 |
| kJ | — | — | — | — | — | 3 | 5 | — | — | — | — | 1 | 30 | 12 | 15 | — | 1 | 2 | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 11 | 62 | 62 | 11 | 11 | 11 | 11 | 11 | 818 | 11 | 590 | 657 | 670 | 212 | 276 | 11 | 11 | 11 | 11 |
Best forecast wave conditions in Maine | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Kennebunk Beach Surf forecast
The above surf forecast table for Kennebunk Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kennebunk Beach can be found by selecting the local surf guide option on the grey menu. Our Kennebunk Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kennebunk Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Kennebunk Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Kennebunk Beach is 17 km (11 miles) from Biddeford. If you plan a vacation in Maine, look for hotels and other accommodation in Biddeford. Biddeford has rooms for a wide range of budgets as well as car hire and transport links.
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